# -*- coding: utf-8 -*-
"""
Description:

In the following 6 digit number:

283910
91 is the greatest sequence of 2 digits.

In the following 10 digit number:

1234567890
67890 is the greatest sequence of 5 digits.

Complete the solution so that it returns the largest five digit number found within the number given. The number will be passed in as a string of only digits. It should return a five digit integer. The number passed may be as large as 1000 digits.

examples:

    solution("324568753245") # return 87532
    solution("874394539438298474") # return 98474
    solution("843879283923478084") # return 9283

"""
